{"title":"Application of Polarizing Optical Microscopy in Investigation of Crystallization Kinetics from Smectic CA* Phase","authors":"A. Deptuch, A. Lelito, M. Urbańska","doi":"10.12693/aphyspola.144.93","DOIUrl":null,"url":null,"abstract":"Polarizing optical microscopy is used to investigate the isothermal and non-isothermal crystallization of the 3F6FPhF6 compound, which exhibits the smectic C ∗ and smectic C ∗ A phases. A large hysteresis of above 20 K in the smectic C ∗ /smectic C ∗ A phase transition is reported. The kinetics of non-isothermal crystallization is analyzed by means of the continuous cooling transition diagram. The cooling rate necessary for at least partial vitrification of the smectic C ∗ A phase is estimated. The relationship between the thermodynamic driving force of crystallization and thermal energy of the translational degrees of freedom is shown to have a strong impact on crystallization.","PeriodicalId":7164,"journal":{"name":"Acta Physica Polonica A","volume":"8 1","pages":""},"PeriodicalIF":0.5000,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Physica Polonica A","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.12693/aphyspola.144.93","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
Polarizing optical microscopy is used to investigate the isothermal and non-isothermal crystallization of the 3F6FPhF6 compound, which exhibits the smectic C ∗ and smectic C ∗ A phases. A large hysteresis of above 20 K in the smectic C ∗ /smectic C ∗ A phase transition is reported. The kinetics of non-isothermal crystallization is analyzed by means of the continuous cooling transition diagram. The cooling rate necessary for at least partial vitrification of the smectic C ∗ A phase is estimated. The relationship between the thermodynamic driving force of crystallization and thermal energy of the translational degrees of freedom is shown to have a strong impact on crystallization.
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